Re: [ath5k-devel] Bugs on aspire one A150

[Maxim Levitsky]

Bob Copeland wrote:
> On Fri, 14 Nov 2008 20:57:22 +0200, Maxim Levitsky wrote
> > Bob Copeland wrote:
> > > On Wed, Nov 12, 2008 at 07:51:47PM +0200, Maxim Levitsky wrote:
> > > > > > Why it doesn't accept new mac?, can this be fixed?
> > > > Any update on mac changer status?
> > > As a first stab, can you try this patch?  This sets the address on
> > Works almost perfectly,
> >
> > when I load the module, then run macchanger, and then ifconfig wlan0 up
> > then it works, if I do an ifconfig up once, then ifdowning the interface, it
> > doesn't.
>
> Yeah, I had actually written more for that patch originally, but didn't 
> post it because it was a bit more invasive.  I think the issue is just that 
> start() shouldn't program the mac at all and let add_interface handle that.
> I'll post a revised patch in a day or two.

> > The noise floor calibration issue bites me again and gain.
> > When it shows up, usually card continues to work, but at next assotiation
> > stops working.
>
> Does this help?
> http://marc.info/?l=linux-wireless&m=122570806813839&w=2
I'll test this, I guess that it should indeed help.

> > Transfer speeds are unusually low:
>
> You can try using the minstrel rate control algorithm, it may help.
> s
This actually seems to be iwl3945 bug.

This is the tests I did:


1 . Upload / download from my desktop computer (connected via wired interface)
Speeds are rock solid 1.3 Mbytes/s in both directions

2. Then I tried to upload to my laptop (iwl3945)
Speeds were around 600 Kbytes/s, then after few minutes the ath5k dropped association, associated
again and transfer speed dropped below 64 Kbyte/s
(They didn't stall thought)

3. Then I reloaded the ath5k, it didn't help, 64 Kbyte/s again.

4. Then I tried to transfer files to desktop, 1.3 Mbytes/s again.

5. then tried the laptop, 64 Kbyte/s again

6. Then I reloaded the iwl3945 on laptop, and got 600 Kbytes/s.

It still isn't very clear who is responsible, but this is very fishy.
Maybe the ath5k shouldn't drop association, though.

600 Kbytes/s isn't good ether.


Also ath5k stopped working at all, when I did long test transfer between desktop and laptop, dmesg was full
of some strange message repeated, I haven't been able to reproduce that again, when I do, I will post that message.


In general, ath5k works nice here, big thanks to you for such great work.


Best regards,
	Maxim Levitsky
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/